#include "sdf.h"
#include <string.h>
#include <time.h>
#include <stdlib.h>
int main()
{
unsigned char * c;
    unsigned int i;
    Hex2Char(4, &c);
    printf("answer=：%c\n",c);
Hex2Char(1, &c)
//结果：c = '1'
Hex2Char(15, &c)
//结果：c = 'F'
unsigned int i;
Char2Hex('1', &i);
//结果：i = 1
Char2Hex('F', &i);
//结果：i = 15
return 0;
}